VoLTE Roaming Service - User Guide

VoLTE Roaming Service - User Guide - SmarTone

VoLTE Roaming Service

Call within Destinations / Call to Other Destinations	Dial + Country/Territory Code Area Code (if applicable) Telephone Number Note: To make VoLTE roaming calls within destinations / to other destinations, it is necessary to have both IDD & Roaming services enabled.
Call to Hong Kong	Dial + 852 Telephone Number

Call within Destinations / Call to Other Destinations	Caller + 852 Telephone Number
Call to Hong Kong	Caller + 852 Telephone Number

Call within Destinations / Call to Other Destinations	Receivers will hear the overseas incoming call alert in certain destinations
Call to Hong Kong	Receivers will hear the overseas incoming call alert

Callers will only hear the standard Hong Kong connecting tone no matter if you have enabled “Stealth Roaming” or not.

Simply send the following command(s) via SMS to +852 6320 8888. We will then process the request for you.
Set Up Call Forwarding	Send * * 21 * Tel No.*
Cancel Call Forwarding	Send # # 21 #

*If it is not a Hong Kong phone number, charges will apply according to International Call Forwarding services. For more details, please click here。